intrinsic safety instrument earth
11philosophy, Western — Introduction history of Western philosophy from its development among the ancient Greeks to the present. This article has three basic purposes: (1) to provide an overview of the history of philosophy in the West, (2) to relate… …
12performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …
13physical science, principles of — Introduction the procedures and concepts employed by those who study the inorganic world. physical science, like all the natural sciences, is concerned with describing and relating to one another those experiences of the surrounding… …
14radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
15aerospace industry — Introduction assemblage of manufacturing concerns that deal with vehicular flight within and beyond the Earth s atmosphere. (The term aerospace is derived from the words aeronautics and spaceflight.) The aerospace industry is engaged in the …
16UNITED STATES OF AMERICA — UNITED STATES OF AMERICA, country in N. America. This article is arranged according to the following outline: introduction Colonial Era, 1654–1776 Early National Period, 1776–1820 German Jewish Period, 1820–1880 East European Jewish Period,… …
17Hegel, spirit, and politics — Leo Rauch Hegel’s impact on political thought has been immense giving shape to the major political movements of the modern world. Yet the person of average education is hardly familiar with the name, which is usually identified with a small… …
18Judaism — /jooh dee iz euhm, day , deuh /, n. 1. the monotheistic religion of the Jews, having its ethical, ceremonial, and legal foundation in the precepts of the Old Testament and in the teachings and commentaries of the rabbis as found chiefly in the… …
19ALIYAH AND ABSORPTION — GENERAL SURVEY Introduction Aliyah, ascension or going up, is the coming of Jews as individuals or in groups, from exile or diaspora to live in the Land of Israel. Those who go up for this purpose are known as olim – a term used in the Bible for… …
20Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
